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发表于 2008-5-13 16:34:31
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来自 湖南长沙
FLAC3D does not represent capillary, electrical or chemical forces between particles of a partially saturated material. However, it is possible to introduce such forces by writing a FISH function that supplies the appropriate internal stresses, based on the local saturation, porosity and/or any other relevant variable. Similarly, the effect of variable fluid stiffness due to dissolved air is not explicitly modeled, but a FISH function may be used to vary the local fluid modulus as a function of pressure, time, or any other quantity. |
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